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Finding the Fourth Proportional to 483,082.60, 724,364.70 and 202,282.60

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Solution

The fourth proportional to 483,082.60, 724,364.70 and 202,282.60 is: 303,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,082.60 : 724,364.70 = 202,282.60 : x
  2. Step 2: Convert to fraction form
    483,082.60/724,364.70 = 202,282.60/x
  3. Step 3: Cross multiply
    483,082.60x = 724,364.70 × 202,282.60
  4. Step 4: Simplify right side
    483,082.60x = 146,526,374,864.22
  5. Step 5: Solve for x
    x = 146,526,374,864.22/483,082.60
  6. Step 6: Final answer
    x = 303,315.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.